CN109340851A - A kind of kitchen ventilation oil removing and residual neat recovering system - Google Patents

A kind of kitchen ventilation oil removing and residual neat recovering system Download PDF

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Publication number
CN109340851A
CN109340851A CN201811243152.9A CN201811243152A CN109340851A CN 109340851 A CN109340851 A CN 109340851A CN 201811243152 A CN201811243152 A CN 201811243152A CN 109340851 A CN109340851 A CN 109340851A
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CN
China
Prior art keywords
shell
oil removing
recovering system
neat recovering
residual neat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811243152.9A
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Chinese (zh)
Inventor
沈朝
李晓冬
马俊飞
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Harbin Institute of Technology
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Harbin Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN201811243152.9A priority Critical patent/CN109340851A/en
Publication of CN109340851A publication Critical patent/CN109340851A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2035Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/06Heat pumps characterised by the source of low potential heat

Abstract

A kind of kitchen ventilation oil removing and residual neat recovering system, it is related to kitchen oil removing waste heat recovery apparatus, more particularly to a kind of kitchen ventilation oil removing and residual neat recovering system, it includes enclosure, air draft degreasing unit, electrostatic precipitator, waste-heat recovery device and flue centrifugal blower;The outlet end of enclosure is equipped with air draft degreasing unit, and the outlet of air draft degreasing unit is connect with flue, is equipped with electrostatic precipitator, waste-heat recovery device and pipeline centrifugal blower along smoke direction on flue.The configuration of the present invention is simple, design rationally, have the advantages that filtering efficient centrifugal de-oiling free of replacement and waste heat recycling.

Description

A kind of kitchen ventilation oil removing and residual neat recovering system
Technical field
The present invention relates to kitchen oil removing waste heat recovery apparatus, and in particular to a kind of kitchen ventilation oil removing and waste heat recycling system System.
Background technique
The focus of work is all fallen in suction aspect substantially by existing fume treating device, only ensure that indoor low oil smoke feelings Condition, the oil smoke for entering exhaust hood are not dealt carefully with.Not only have an impact in this way to equipment and pipeline, needs other labor intensive It is cleared up, untreated oil smoke is discharged to outdoor and also pollutes the environment, it would be highly desirable to be transformed.
Conventional kitchen ventilation degreasing unit using filtering oil removing by the way of need to be replaced frequently filtering material, use cost Higher, there are also some air draft degreasing units with self-cleaning function at present, need periodic operation scale removal.In addition, all kinds of at present Kitchen ventilation degreasing unit does not have function of recovering waste heat, while using kitchen ventilation deoiling function, increase operation at This, has but wasted a large amount of kitchen residual heats.
Summary of the invention
The present invention in order to overcome the deficiencies of the prior art, provides a kind of kitchen ventilation free of replacement for filtering, having both hot water supply Oil removing and residual neat recovering system.
A kind of kitchen ventilation oil removing and residual neat recovering system include enclosure, air draft degreasing unit, electrostatic precipitator, remaining Heat recovery apparatus and flue centrifugal blower;The outlet end of enclosure is equipped with air draft degreasing unit, the outlet of air draft degreasing unit It is connect with flue, electrostatic precipitator, waste-heat recovery device and pipeline centrifugal blower is installed along smoke direction on flue.
Further, air draft degreasing unit includes shell, motor, filter element, centrifugal blower fan blade wheel, connecting shaft, fence Frame and anti-oil network;
Shell is the tubular structure of both ends open, and the lower end of shell and the outlet of enclosure connect, the upper end of shell and cigarette Road connects, and motor, centrifugal blower fan blade wheel, fence frame and filter element are disposed in shell, and the vertical setting of motor is simultaneously mounted on shell On the inner wall of body, the inner wall of fence frame and shell is connected, and the output end of motor is equipped with connecting shaft, in connecting shaft from top to bottom according to It is secondary that centrifugal blower fan blade wheel and filter element are installed;Centrifugal blower fan blade wheel is arranged in fence frame, and the bottom of fence frame is connected with The oil baffle sealed with the inner wall of shell is machined with stream oil groove on oil baffle, and stream oil groove, which is equipped with to be discharged to outside kitchen ventilator, connects oil Hole, the periphery of motor are additionally provided with the anti-oil network being flared upwards being connected on fence frame.
Further, filter element is circular shaped foam sheet metal, and circular shaped foam sheet metal is packed in connecting shaft.
Further, waste-heat recovery device includes compressor, heat exchanger, boiler, water storage box and is arranged in flue Evaporator;Evaporator is connect with compressor, and the outlet of compressor is connect with heat exchanger, and the water in boiler passes through water pump and changes Working medium heat exchange in hot device, heat exchanger are connect by throttling set with evaporator.
The beneficial effect of the present invention compared with prior art is
Filtering free of replacement: because filter screen be with the coaxial corotation of blower, have certain centrifugal force that can get rid of automatically de- The oil droplet filtered down, thus free of replacement, using exclusive foam metal as exocentric structure, non-sticky property is strong,
Centrifugation de-oiling: de-oiling mode is still centrifugation de-oiling, but it is two layers that de-oiling structure, which increases, and main de-oiling part is foam Metal, secondary part are common centrifugal blower fan blade wheel;Motor impeller and filter element rotation simultaneously, ensure that high suction While the filter efficiency or centrifugal type efficient kitchen ventilation de-oiling of foam metal greatly improved.
Using commercial kitchen smoke evacuation low grade heat energy, the health hot water that kitchen uses is produced using the principle of heat pump, simultaneously It can also will extract heat and be used for other heat for kitchen use.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the schematic diagram of air draft degreasing unit of the invention.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
It is shown in Figure 1, a kind of kitchen ventilation oil removing and residual neat recovering system include enclosure 1, air draft degreasing unit 2, Electrostatic precipitator 4, waste-heat recovery device 3 and flue centrifugal blower 15;
The outlet end of enclosure 1 is equipped with air draft degreasing unit 2, and the outlet of air draft degreasing unit 2 is connect with flue 16, cigarette Electrostatic precipitator 4, waste-heat recovery device 3 and pipeline centrifugal blower 15 are installed along smoke direction on road 16.
Preferably, shown in Figure 2, the air draft degreasing unit 2 includes shell 21, motor 22, filter element 23, centrifugation Draught fan impeller 24, connecting shaft 25, fence frame 26 and anti-oil network 27;Shell 21 is the tubular structure of both ends open, under shell 21 End is connect with the outlet of enclosure 1, and the upper end of shell 21 is connect with flue 16, and motor 22, centrifugal blower are disposed in shell 21 Impeller 24, fence frame 26 and filter element 23, the vertical setting of motor 22 are simultaneously mounted on the inner wall of shell 21, fence frame 26 and shell The inner wall of body 21 connects, and the output end of motor 22 is equipped with connecting shaft 25, is from top to bottom sequentially installed with centrifugation in connecting shaft 25 Draught fan impeller 24 and filter element 23;Centrifugal blower fan blade wheel 24 is arranged in fence frame 26, the bottom of fence frame 26 be connected with The oil baffle 28 of the inner wall sealing of shell 21 is machined with stream oil groove 28-1 on oil baffle 28, and stream oil groove 28-1, which is equipped with, is discharged to oil Oil receiving hole 29 outside smoke machine, the periphery of motor 22 are additionally provided with the anti-oil network 27 being flared upwards being connected on fence frame 26.For Reach automatic cleaning action, water jet 33 is installed on the inner wall of the shell 21 of 23 lower section of filter element, water jet 33 goes out Water is towards filter element 23.Connecting shaft 25 passes through bearing 35 radial support connected with shell 21.
The filter element 23 is circular shaped foam sheet metal, and circular shaped foam sheet metal is packed in connecting shaft 25.Foam gold Belonging to the inner wall face contact of piece outside wall surface and shell, the diameter of foam metal is 350mm, with a thickness of 30, aperture 0.5mm.The hole Diameter can sufficiently filter the bulky grain oil droplet in flue gas, and the impedance generated is fine, if aperture is smaller, impedance is higher.So set It sets, is conducive to particle in flue gas and is sufficiently effectively absorbed.Centrifugal blower fan blade wheel 24 and filter element 23 drive similarly hereinafter in motor 22 Axis rotation, flue gas is when passing through the air draft degreasing unit 2 above enclosure 1, the centrifugal blower fan blade wheel 24 in air draft degreasing unit 2 Under the centrifugal action and filtration of circular shaped foam sheet metal, bulky grain pollutant is left and collects, while in device Water jet 33 is constantly sprayed water to foam metal piece, and to reinforce suction-operated of the foam metal piece to large particle, pollutant is steeping Oil baffle 28 is thrown toward in foam sheet metal under the action of centrifugation water flow, and along stream oil groove 28-1 discharger, plays automatically cleaning Effect.It eliminates the flue gas after bulky grain oil droplet and enters electrostatic precipitator 4 along air duct, under high-pressure electrostatic effect, flue gas In PM2.5 particle be attracted on pole plate to being removed.
Preferably, shown in Figure 2, anti-oil network 7 is using the conic net being flared upwards.The upper end shape and shell of conic net Inner cavity be adapted, it is ensured that the effective use in space.
Preferably, shown in Figure 1, waste-heat recovery device 3 includes compressor 6, heat exchanger 7, boiler 9, water storage box 10 And it is arranged in the evaporator 5 in flue 16;Evaporator 5 is connect with compressor 6, and the outlet of compressor 6 is connect with heat exchanger 7, Water in boiler 9 is exchanged heat by the working medium in water pump 11 and heat exchanger 7, and heat exchanger 7 is connected by throttling set 8 and evaporator 5 It connects.
The waste-heat recovery device 3 of the present embodiment produces the health hot water that kitchen uses using the principle of heat pump, provides simultaneously The function of bowl tool drying.3 structure of this waste-heat recovery device is simple, reliable operation, which utilizes heat pump principle will Heat recovery in kitchen exhaust, a part is for heating culinary health hot water, and a part is for other.Waste heat recycling dress Setting further includes water storage box 10, and the top water outlet of boiler 9 is connected to water storage box 10.This is because heat pump uses time and heat Water uses the time different, therefore is provided with two water tanks, ensure that the temperature of hot water and uses the time.Heating capacity and system Wasted work ratio be 3.2, improve heating efficiency.For the heat exchange efficiency of enhanced heat exchange device, the heat exchanger 7 is board-like changes Fin pipe evaporator can be selected in hot device, evaporator 5.
It is shown in Figure 1, filter 12 and flowmeter 13 are installed on the water return pipeline that heat exchanger 7 is connect with boiler 9. In order to guarantee that the hot water circuit in boiler 9 is smooth, convenient for the internal circulating load of water in detection heat exchanger 7 and boiler 9, heat exchanger 7 Filter 12 and flowmeter 13 are installed on the water return pipeline connecting with boiler 9.Filter 12, which filters out in cyclic process, to be generated The substance to get rusty, it is ensured that it is reliable for operation.
It is shown in Figure 1, it there also is provided temperature controller 14-4 and water level controller 14-3 on boiler 9, boiler 9 Lower part is provided with by the water supply solenoid valve 14-1 of the water level controller 14-3 interlocked control, the top of boiler 9 be provided with by The water outlet solenoid valve 14-2 of the temperature controller 14-4 interlocked control.So set, the top water outlet of boiler 9 and water storage Case 10 is connected to, and during hot water preparing, to ensure that it is stable and reliable in work that heat exchanger 7 and boiler 9 exchange heat, guarantees boiler 9 Interior water uses enough, and the water in boiler 9 does not stop circulation by water pump 11 and exchanges heat with heat exchanger 7, when temperature controller 14-4 is supervised Control water outlet solenoid valve 14-2 is opened after measuring required for coolant-temperature gage reaches, and hot water flows into spare in water storage box 10.When water level control When device 14-3 processed monitors the water level in boiler 9 lower than setting target, opens water supply solenoid valve 14-1 and mended into boiler 9 Water.In above scheme, the PID constant-temperaturetemperature temperature controller that temperature controller 14-4 preferentially selects K-type relay to export, water level controller 14-3 preferentially selects the side-mounted float switch of 304 stainless steels.
Shown in Figure 2, as a kind of corrective measure of above-mentioned various schemes, the fence frame 26 includes stiffening ring 26- 1, column 26-2 and top plate 26-3;Column 26-2 and top plate 26-3 are circumferentially arranged, the both ends point of column 26-2 and top plate 26-3 It is not connected with motor for preventing scraper ring 30 and stiffening ring pedestal 31, stiffening ring pedestal 31 is connect with the inner wall of shell 21, stiffening ring 26-1 It is arranged around centrifugal blower fan blade wheel 24 and is fixed on stiffening ring pedestal 31.Fence frame 6 plays the blade of package impeller, is conducive to solid Fixed blade and damping.Ceiling location is between column 6-2 and shell 1, for fixing the branch of 4 upper and lower side of centrifugal blower fan blade wheel Support structure, as secondary supporting role.Column 6-2 is located on the inside of top plate 6-3, acts on same top plate, acts on as main support.
Working principle
The dedicated business catering trade of the present invention, after being installed on kitchen ventilator exhaust hood 1.The course of work are as follows: after opening motor 22, electricity Machine 22 drives centrifugal blower fan blade wheel 24 and foam metal coaxial rotating;By the purification of foam metal, filtering, and after sound insulation processing Flue gas be pumped by centrifugal blower fan blade wheel 24, bulky grain oil droplet by circumgyration incision at foam metal, oil droplet is decelerated, is detained, Or change flow direction etc., then got rid of by centrifugal blower fan blade wheel effect to 21 inner wall of shell;Last oil droplet by gravity along Backing plate 28 flows into stream oil groove 28-1.Then it is discharged to outside kitchen ventilator through oil receiving hole 29, wherein oil baffle 28 is when shutting down in order to prevent Prevent oil droplet from dripping.
Pass through evaporator in flue 16 by air draft degreasing unit 2 and the purified kitchen flue gas of electrostatic precipitator 4 5, the flue gas after being cooled is discharged outdoor using flue centrifugal blower 15.The system of flue gas heat is absorbed in evaporator 5 Cryogen becomes the steam of high temperature and pressure by compressor 6, later releases heat by heat exchanger 7 (plate heat exchanger can be used) It releases with heat hot water, refrigerant is recycled to evaporator 5 after throttling by expansion valve as throttling set 8.In hot water circuit In system, the water in boiler 9 does not stop circulation by water pump 11 and circulating hot water pipe and exchanges heat with heat exchanger 7, works as temperature controller 14-4 detects that water temperature reaches the unlatching of required rear control water outlet solenoid valve 14-2, and hot water flows into water storage box 10.When water level control When device 14-3 processed monitors the water level in boiler 9 lower than setting value, water supply solenoid valve 14-1 moisturizing into boiler 9 is opened, Water conservancy in boiler 9 is supplemented with tap water residual head.In order to guarantee that the hot water circuit in boiler 9 is smooth, with And monitoring heat exchanger 7 was equipped on the water return pipeline between heat exchanger 7 and boiler 9 with the water internal circulating load in boiler 9 Filter 13 and flowmeter 12.Filter 13 filters out the impurity generated in cyclic process, it is ensured that system is reliable for operation.
The present invention is disclosed as above with preferable case study on implementation, and however, it is not intended to limit the invention, any to be familiar with this profession Technical staff, without departing from the scope of the present invention, when the structure and technology contents that can use the disclosure above are done A little change or it is modified to the equivalence enforcement case of equivalent variations out, but it is all without departing from technical solution of the present invention Hold, any simple modification, equivalent change and modification done according to the technical essence of the invention to the above case study on implementation still belong to Technical solution of the present invention range.

Claims (10)

1. a kind of kitchen ventilation oil removing and residual neat recovering system, it is characterised in that: it includes enclosure (1), air draft degreasing unit (2), electrostatic precipitator (4), waste-heat recovery device (3) and flue centrifugal blower (15);
The outlet end of enclosure (1) is equipped with air draft degreasing unit (2), and the outlet and flue (16) of air draft degreasing unit (2) are even It connects, electrostatic precipitator (4), waste-heat recovery device (3) and pipeline centrifugal blower is installed along smoke direction on flue (16) (15)。
2. a kind of kitchen ventilation oil removing and residual neat recovering system according to claim 1, it is characterised in that: the air draft oil removing Device (2) includes shell (21), motor (22), filter element (23), centrifugal blower fan blade wheel (24), connecting shaft (25), fence frame (26) and anti-oil network (27);
Shell (21) is the tubular structure of both ends open, and the lower end of shell (21) is connect with the outlet of enclosure (1), shell (21) Upper end connect with flue (16), is disposed with motor (22), centrifugal blower fan blade wheel (24), fence frame (26) and mistake in shell (21) Filtering element (23), the vertical setting of motor (22) are simultaneously mounted on the inner wall of shell (21), and fence frame (26) is interior with shell (21) Wall connection, the output end of motor (22) are equipped with connecting shaft (25), and connecting shaft is from top to bottom sequentially installed with centrifugation wind on (25) Machine impeller (24) and filter element (23);Centrifugal blower fan blade wheel (24) is arranged in fence frame (26), the bottom of fence frame (26) It is connected with the oil baffle (28) with the inner wall of shell (21) sealing, stream oil groove (28-1) is machined on oil baffle (28), flows oil groove (28-1) is equipped with the oil receiving hole (29) being discharged to outside kitchen ventilator, and the periphery of motor (22), which is additionally provided with, to be connected on fence frame (26) The anti-oil network (27) being flared upwards.
3. a kind of kitchen ventilation oil removing and residual neat recovering system according to claim 2, it is characterised in that: the filter element It (23) is circular shaped foam sheet metal, circular shaped foam sheet metal is packed on connecting shaft (25).
4. a kind of kitchen ventilation oil removing and residual neat recovering system according to claim 3, it is characterised in that: outside foam metal piece The inner wall face contact of wall surface and shell, the diameter of foam metal piece are 350mm, with a thickness of 30, aperture 0.5mm.
5. according to a kind of kitchen ventilation oil removing of claim 2,3 or 4 and residual neat recovering system, it is characterised in that: anti-oil network (7) using the conic net being flared upwards.
6. a kind of kitchen ventilation oil removing and residual neat recovering system according to claim 5, it is characterised in that: the waste heat recycling Device (3) includes compressor (6), heat exchanger (7), boiler (9), water storage box (10) and the evaporation being arranged in flue (16) Device (5);
Evaporator (5) is connect with compressor (6), and the outlet of compressor (6) is connect with heat exchanger (7), and the water in boiler (9) is logical The working medium crossed in water pump (11) and heat exchanger (7) exchanges heat, and heat exchanger (7) is connect by throttling set (8) with evaporator (5).
7. a kind of kitchen ventilation oil removing and residual neat recovering system according to claim 7, it is characterised in that: heat exchanger (7) with Filter (12) and flowmeter (13) are installed on the water return pipeline of boiler (9) connection.
8. a kind of kitchen ventilation oil removing and residual neat recovering system described according to claim 6 or 7, it is characterised in that: boiler (9) On there also is provided temperature controller (14-4) and water level controller (14-3), the lower part of boiler (9) is provided with by the water level The water supply solenoid valve (14-1) of controller (14-3) interlocked control, the top of boiler (9) are provided with by the temperature controller The water outlet solenoid valve (14-2) of (14-4) interlocked control.
9. a kind of kitchen ventilation oil removing and residual neat recovering system according to claim 8, it is characterised in that: the waste heat recycling Device further includes water storage box (10), and the top water outlet of boiler (9) is connected to water storage box (10).
10. according to a kind of kitchen ventilation oil removing of claim 2,3,4,6,7 or 9 and residual neat recovering system, it is characterised in that: The fence frame (26) includes stiffening ring (26-1), column (26-2) and top plate (26-3);Column (26-2) and top plate (26-3) Circumferentially arranged, the both ends of column (26-2) and top plate (26-3) are connected separately with motor for preventing scraper ring (30) and stiffening ring pedestal, Stiffening ring pedestal (31) is connect with the inner wall of shell (21), and stiffening ring (26-1) is arranged and is fixed on around centrifugal blower fan blade wheel (24) On stiffening ring pedestal (31).
CN201811243152.9A 2018-10-24 2018-10-24 A kind of kitchen ventilation oil removing and residual neat recovering system Pending CN109340851A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811243152.9A CN109340851A (en) 2018-10-24 2018-10-24 A kind of kitchen ventilation oil removing and residual neat recovering system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811243152.9A CN109340851A (en) 2018-10-24 2018-10-24 A kind of kitchen ventilation oil removing and residual neat recovering system

Publications (1)

Publication Number Publication Date
CN109340851A true CN109340851A (en) 2019-02-15

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Application Number Title Priority Date Filing Date
CN201811243152.9A Pending CN109340851A (en) 2018-10-24 2018-10-24 A kind of kitchen ventilation oil removing and residual neat recovering system

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2155508Y (en) * 1992-01-23 1994-02-09 青岛室内净化设备厂 Oil dirt separating structure for cooking fume extractors
CN204404526U (en) * 2014-11-26 2015-06-17 刘尚爱 Be arranged on the household air energy having circulation water heater in kitchen
CN104888537A (en) * 2015-06-26 2015-09-09 浙江金海环境技术股份有限公司 Lampblack filtering material comprising porous foam metal and preparation method of lampblack filtering material
CN106322476A (en) * 2016-10-31 2017-01-11 沈阳建筑大学 Kitchen fume purification and waste heat recovery and utilization integrated device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2155508Y (en) * 1992-01-23 1994-02-09 青岛室内净化设备厂 Oil dirt separating structure for cooking fume extractors
CN204404526U (en) * 2014-11-26 2015-06-17 刘尚爱 Be arranged on the household air energy having circulation water heater in kitchen
CN104888537A (en) * 2015-06-26 2015-09-09 浙江金海环境技术股份有限公司 Lampblack filtering material comprising porous foam metal and preparation method of lampblack filtering material
CN106322476A (en) * 2016-10-31 2017-01-11 沈阳建筑大学 Kitchen fume purification and waste heat recovery and utilization integrated device

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Application publication date: 20190215